Use case

Tools to write & ship code

Editors, IDEs and developer platforms for building and shipping software, plus database and API tools.

Tools for this task

899 tools
Pricing
GDeveloper Tools

The home of open source and collaborative coding.

Freemiumgitversion-controlcollaboration
VDeveloper Tools

The world's most popular free code editor.

Freecode-editorideprogramming
0Developer Tools

Hex editor with binary templates

Paidhex-editorbinarytemplates
1Developer Tools

Live video SDK and API for custom experiences

Freemiumvideo-apilive-streamingwebrtcsdk
3Communication & Collaboration

Official WhatsApp Business API provider

Paidwhatsappapibspmessaging
ADeveloper Tools

Suite of APIs for validation, lookup and data

Freemiumapisdevelopersvalidationgeoip
ADeveloper Tools

Developer infrastructure, handled

Freemiummonitoringdeploymentapiinfrastructure
ADeveloper Tools

Web interface for Nagios and Naemon configuration

Freemonitoringnagiosinterfaceconfiguration
ADeveloper Tools

No-code builder for native mobile apps you publish to the app stores.

Freemiumno-codemobile-appsapp-builder
ADeveloper Tools

Subscription infrastructure and paywalls for apps

Freemiumsubscriptionspaywallsmobile appsanalytics
ADeveloper Tools

Global payments platform for enterprise commerce

Paidpaymentsenterpriseposglobal
ADeveloper Tools

Community fork of American Fuzzy Lop fuzzer

Freefuzzingsecuritytestingnative
ADeveloper Tools

CI/CD platform with multi-executor flexibility

Freecicdpipelinescontainers
ADeveloper Tools

Real-time engagement platform for voice and video

Freemiumrtclive-streamingvoicevideo-api
ADeveloper Tools

AI for Developers — Best AI Coding Dev Tools, AI Agents, Skills & SDKs (2026)

Freeeditorchoicedev-tools
ADeveloper Tools

Error monitoring for apps and APIs

Paidautomationlow-codesoftware-developmentdeveloper-tools
AData & Analytics

Spreadsheets meet databases, beautifully.

Freemiumdatabasespreadsheetno-codecollaboration
ADeveloper Tools

Enterprise CDN, cloud and cybersecurity platform

Paidcdncloudsecuritystreaming
ADeveloper Tools

Minimal GPU-accelerated terminal emulator

Freeterminalgpuminimal
ADeveloper Tools

Unified alert console for monitoring systems

Freealertsmonitoringoperationsincidents
AData & Analytics

AI search and discovery platform for businesses

Freemiumsearchdiscoveryapi
ADeveloper Tools

Flexible lightweight test report generation tool

Freetest-reportstestingreportingframeworks
ADeveloper Tools

The official IDE for Android development

Freeideandroidmobile
ADeveloper Tools

Simple open-source IT automation engine

Freemiumautomationconfiguration-managementdevopsopen-source
AData & Analytics

Modern open source SQL client aiming to be useful and simple

Freesqlclientdatabasegui
ADeveloper Tools

Forge software for hosting collaborative projects

Freeforgerepositoriesticketswiki
AData & Analytics

Widely-used distributed NoSQL database

Freedatabasenosqldistributed
ADeveloper Tools

Cloud computing platform for public and private clouds

Freecloudiaasinfrastructurehypervisors
AData & Analytics

Document database with seamless multi-master sync

Freenosqldocumentsreplicationdatabase
AData & Analytics

Real-time data warehouse for analytics at scale

Freedata-warehouseanalyticsreal-timesql
AData & Analytics

Hadoop database for random real-time access to big data

Freebig-datahadoopdatabasedistributed
AData & Analytics

Distributed database for high-performance computing with SQL

Freein-memorydistributeddatabasesql
AData & Analytics

Time-series database designed for industrial IoT

Freetime-seriesiotdatabaseindustrial
ADeveloper Tools

Enterprise mail server from the Apache project

Freemail-serversmtpimapjava
ADeveloper Tools

Load testing and performance measurement for services

Freeload-testingperformanceopen-source
ADeveloper Tools

Full IDE for Java and more, from Apache

Freeidejavaopen-source
ADeveloper Tools

Open source serverless cloud platform for actions

Freeserverlessfunctionseventsplatform
AProductivity & Notes

API-first hotel property platform

Paidhotelsapipmsapartments
ADeveloper Tools

Video API for on-demand and live streaming

Freemiumvideo-apistreaminglivedevelopers
ADeveloper Tools

All-in-one API design testing and documentation

Freemiumapi-testingapi-designdocumentation
AData & Analytics

Web scraping and automation cloud platform.

Freemiumweb-scrapingautomationdata-extractionapi
ADeveloper Tools

Dynamic cloud-native API gateway and AI gateway

Freeapi-gatewaycloud-nativetrafficplugins
ADeveloper Tools

Mobile app automation using the WebDriver protocol

Freemobile-testingautomationopen-source
ADeveloper Tools

Visual AI testing platform for UI validation

Freemiumvisual-testinguiautomation
ACommunication & Collaboration

One notification library for dozens of services

Freenotificationsalertsapiintegrations
ADeveloper Tools

Lets businesses create no-code apps from spreadsheets and databases for field.

Freemiumdeveloper-toolsapisaascloud
ADeveloper Tools

Open-source backend platform for auth, databases, storage and functions

Freemiumbackendopen-sourceapp-developmentdatabase
AData & Analytics

Multi-model database for graphs, documents and search

Freemiumdatabasegraphdocumentsmulti-model
ADeveloper Tools

Professional three-way file comparison and merging

Paiddiffmergeprofessional
AData & Analytics

Energy data for the climate economy

Paidenergyapicommunity-solardata
ADeveloper Tools

Vulnerability assessment and management platform

Freevulnerabilitiesscanningmanagementsecurity
AData & Analytics

An AI analyst that lives inside your spreadsheets.

Freemiumspreadsheetsanalyticssql
ADeveloper Tools

Program Arduino boards with a simple IDE

Freeelectronicsembeddediot
ADeveloper Tools

Declarative GitOps delivery for Kubernetes

Freegitopskubernetesopen-source
ADeveloper Tools

Container-native workflow engine for Kubernetes

Freekubernetesworkflowscontainersorchestration
ADeveloper Tools

Load testing toolkit for APIs and services

Freemiumload-testingapiopen-source
AAI Image & Video

Speech recognition and audio intelligence API

Freemiumspeech-to-textapiaudio-intelligence
ADeveloper Tools

Fast static websites

Freeframeworkstatic-sitesfrontend
ADeveloper Tools

Developer infrastructure, handled

Paiddev-toolsdeveloper-toolscloudautomation
ADeveloper Tools

Magical shell history with sync and search

Freeshell-historysyncsearch
ADeveloper Tools

Customer identity platform for app login

Freemiumauthenticationidentityloginapi
ADeveloper Tools

Authentication and authorization server for your apps

Freeauthenticationsso2fasecurity
ADeveloper Tools

Identity provider with flexible authentication flows

Freeidentityssomfaprovider
ADeveloper Tools

Describe the pattern in English, get the regex back.

Freemiumregexdeveloper-toolsnlp
BDeveloper Tools

Multi-blog CMS with built-in community features

Freecmsblogsforumsgalleries
BDeveloper Tools

A powerful 3D engine for the web

Free3dwebglgame-engine
BDeveloper Tools

Visual app development and backend platform

Freemiumbackendno-codedatabaseapp builder
BDeveloper Tools

Developer infrastructure, handled

Freemiummonitoringdeploymentapiinfrastructure
BDeveloper Tools

Open framework for building internal developer portals with a service catalogue

Freedeveloper-portalcatalogueopen-source
BCommunication & Collaboration

Communications platform with voice, messaging and emergency services APIs

Paidapivoicemessaging
BAI Image & Video

Automated image and video generation API

Paidapiautomationtemplates
BData & Analytics

Open-source online database and app builder

Freemiumdatabaseno-codeopen-source
BDeveloper Tools

Model inference platform for production AI

Freemiuminferencemodelsgpu
BDeveloper Tools

Build and test tool from Google for monorepos

Freebuildmonorepoopen-source
BDeveloper Tools

Serverless GPU cloud for AI workloads

Paidgpuserverlessaicloud
BDeveloper Tools

Simple, fast in-memory work queue service

Freequeuejobsbackgroundworkers
BDeveloper Tools

Mock API server and webhook inspection service

Freemiummock-serverapi-mockingwebhooksdebugging
BDeveloper Tools

Browser exploitation framework for pentesters

Freepentestingbrowserframeworksecurity
BDeveloper Tools

Behaviour-driven development framework for Python

Freebddpythontestinggherkin
BDeveloper Tools

Lightweight server monitoring with Docker stats

Freemonitoringserversdockerstats
BDeveloper Tools

TypeScript authentication framework for your own database

Freeauthenticationtypescriptopen-source
BDeveloper Tools

The gold standard for comparing files and folders

Paiddiffmergecompare
BDeveloper Tools

Fast formatter and linter

Freelintingformattingjavascript
BDeveloper Tools

Git code hosting with built-in CI/CD from Atlassian

Freemiumgitversion-controlci-cdcode-review
BAI Agents

AI code review agent for development teams

Freemiumcode-reviewagentside
BDeveloper Tools

Mobile-first continuous integration and delivery

Freemiummobile-cici-cdapp-release
BDeveloper Tools

Editor built for web developers and programmers

Freeweb-editorhtmldeveloper
BDeveloper Tools

A WYSIWYG editor for HTML and EPUB

Freemiumweb-editorwysiwyghtml
BDeveloper Tools

A drag-and-drop builder for Bootstrap sites

Paidbootstrapweb-designvisual
BDeveloper Tools

Secure remote access to hosts and services

Freemiumaccesssecurityremotehashicorp
BDeveloper Tools

Web design editor with live browser preview

Freeweb-designeditorlive-preview
BDeveloper Tools

Payment platform by PayPal for apps and websites

Paidpaymentsapicheckoutmobile
BDeveloper Tools

Event-driven scripting for Kubernetes pipelines

Freekuberneteseventspipelinesautomation
BDeveloper Tools

New way to see and navigate directory trees

Freefilesnavigationclitree
BDeveloper Tools

Headless browser infrastructure for automation at scale

Freemiumheadless-browserpuppeteerautomationinfrastructure
BDeveloper Tools

Test on real browsers and devices in the cloud

Paiddevice-testingcloud-testingqa
BDeveloper Tools

Offline-first open-source API client

Freeapi-clientopen-sourcegit
BDeveloper Tools

Full-stack no-code platform for building real web applications.

Freemiumno-codeapp-builderweb-apps
BDeveloper Tools

Lets clients and teams pin visual feedback and bug reports directly.

Paidsaasdeveloper-toolsapicloud
BDeveloper Tools

Self-hosted error tracking compatible with Sentry SDKs

Freemiumerrorstrackingcrashesdebugging
BDeveloper Tools

Application stability monitoring by SmartBear

Freemiumerror-trackingmobilestability
BDeveloper Tools

Tool for building OCI container images without a daemon

Freecontainersimagesocibuild
BDeveloper Tools

Python-based continuous integration framework

Freeciautomationpythonbuilds
BDeveloper Tools

No-code 3D and 2D game builder

Freemiumgame-engineno-codemobile
BDeveloper Tools

Hybrid CI platform for running pipelines at scale

Freemiumcipipelineshybrid
BDeveloper Tools

API documentation and changelogs automatically from OpenAPI and AsyncAPI files

Freemiumapi-docschangelogsautomation
BDeveloper Tools

All-in-one JS runtime

Freeruntimejavascriptbundler
BDeveloper Tools

Developer infrastructure, handled

Paiddev-toolsdeveloper-toolscloudautomation
BDeveloper Tools

File upload API for developers

Freemiumuploadsapicdndevelopers
CDeveloper Tools

Self-hosted uptime monitoring with phone alerts

Freeuptimealertson-callmonitoring
CDeveloper Tools

Open-source status page system for communicating incidents and scheduled maintenance

Freestatus-pagesopen-sourceincidents
CDeveloper Tools

Process orchestration platform based on BPMN

Freemiumbpmnworkflowsautomationorchestration
CProductivity & Notes

Developer-friendly EMR platform

Paidemrapidigital healthautomation
CDeveloper Tools

Self-hosted PaaS and app deployment platform with one-click apps and monitoring

Freepaasdeploymentself-hosted
CAI Image & Video

Real-time voice AI platform with Sonic models

Freemiumtext-to-speechapireal-time
CDeveloper Tools

Identity and access management with a friendly UI

Freeiamssooauthidentity
CDeveloper Tools

Open source IT infrastructure monitoring platform

Freemiummonitoringinfrastructurenetworksalerts
CDeveloper Tools

Automated TLS certificate management for Kubernetes

Freekubernetestlscertificatesautomation
CDeveloper Tools

Platform for 3D geospatial applications

Freemium3dgeospatialmapsglobe
CDeveloper Tools

HTTP proxy and monitor for developers

Paidproxyhttpdebugging
CAI Chat & Assistants

Developer-friendly platform for building AI chat bots

Freemiumchatbot-builderapidevelopers
CDeveloper Tools

Synthetic monitoring and Playwright testing as code

Freemiumsynthetic-monitoringplaywrightapi-checks
CDeveloper Tools

Cloud payment platform for digital commerce

Paidpaymentsapicheckoutglobal
CDeveloper Tools

Static code analysis for infrastructure as code

Freeiacanalysisterraformsecurity
CDeveloper Tools

Infrastructure automation written as Ruby code

Paidconfigurationautomationinfrastructureruby
CDeveloper Tools

Visual testing and review for Storybook components

Freemiumvisual-testingstorybookqa
CDeveloper Tools

Continuous integration and delivery for software teams

Freemiumci-cddevopsautomation
CAI Image & Video

AI image editing API for marketplaces and photo apps

Freemiumapiphoto-editingecommerce
CDeveloper Tools

Static analysis of vulnerabilities in containers

Freecontainersvulnerabilitiesanalysisimages
CDeveloper Tools

Complete user management and authentication for modern apps

Freemiumauthenticationuser-managementsaas
CData & Analytics

Fast open-source columnar database for analytics

Freemiumolapdatabaseopen-source
CCommunication & Collaboration

SMS, email, voice and mail from one platform

Paidsmsmultichannelapi
CAI Image & Video

AI image editing suite by Stability AI

Freemiumimage-editingapisuite
CUtilities & Security

Online file converter supporting more than two hundred formats

Freemiumfile-conversionapidocumentsmedia
CDeveloper Tools

CDN, DNS and security for websites and apps

Freemiumcdndnssecurityddos-protection
CDeveloper Tools

Web console for managing Linux servers

Freeserverslinuxadminweb
CData & Analytics

Distributed SQL database for resilient applications

Freemiumdatabasedistributed-sqlpostgres-compatible
CDeveloper Tools

Automated code review and quality platform

Freemiumcode-reviewstatic-analysisqualitycoverage
CDeveloper Tools

Free C and C++ IDE with compiler support

Freeidec-plus-pluscompiler
CDeveloper Tools

Offers a cloud IDE with containers so developers can code from.

Freemiumdeveloper-toolsapicloudsaas
CDeveloper Tools

Non-profit Git hosting for free and open-source software

Freegithostingnon-profit
CDeveloper Tools

Engineering analytics and code quality platform

Paidcode-qualityengineering-analyticsmaintainabilityvelocity
CDeveloper Tools

Social code playground for building and sharing front-end experiments

Freemiumcode-playgroundfront-endprototypinghtml-css-js
CDeveloper Tools

Self-hosted cloud development environments

Freemiumdev-environmentsself-hostedenterprise
CDeveloper Tools

Provides an online development environment for building and sharing web applications.

Freemiumsaasclouddeveloper-toolsapi
CDeveloper Tools

Technical hiring assessments and interview platform

Paiddeveloper hiringassessmentscodinginterviews
CDeveloper Tools

In-app chat, voice and video SDKs

Freemiumchat sdkvoicevideodevelopers
CDeveloper Tools

Node-based interface for Stable Diffusion workflows

Freeimage-generationworkflowsopen-source
CDeveloper Tools

Build, deploy and monitor in one workflow

Freemiumdeveloper-toolscloudautomationmonitoring
CDeveloper Tools

Pipeline-based continuous integration built on containers

Freecipipelinescontainersautomation
CDeveloper Tools

In-context editing for real websites

Freecmsin-contextphp
CDeveloper Tools

Feature flag service with generous free tier

Freemiumfeature-flagsconfigcdn
CDeveloper Tools

Build 2D games in your browser

Freemiumgame-engine2dbrowser
CDeveloper Tools

Service discovery, configuration and service mesh platform

Freemiumservice-discoveryservice-meshconfigurationnetworking
CDeveloper Tools

Service networking platform by HashiCorp

Freemiumdiscoverynetworkingserviceshashicorp
CDeveloper Tools

Composable content platform for digital experiences

Freemiumheadless-cmsenterprisecontent-api
CAI Agents

Open-source AI code assistant for any IDE

Freemiumcoding-assistantideopen-source
CDeveloper Tools

Reactive backend platform for full-stack apps

Freemiumbackenddatabasereal-time
CDeveloper Tools

Open-source platform for self-hosting apps, databases and services on your servers

Freemiumself-hostingdeploymentopen-source
CDeveloper Tools

DNS server written in Go with plugin chains

Freednsservergokubernetes
CData & Analytics

Distributed NoSQL database for enterprise applications

Freemiumnosqldocumentsdatabasemobile
CData & Analytics

Collaborative analytics canvas for data teams

Freemiumanalytics-canvassqlcollaborationnotebooks
CDeveloper Tools

A flexible CMS for content-driven sites

Freemiumcmsphpcontent
CDeveloper Tools

PDF generation API with drag-and-drop templates

Freemiumpdf apitemplatesdevelopersdocuments
CDeveloper Tools

Developer infrastructure, handled

Freemiumdeveloper-toolscloudautomationmonitoring
CDeveloper Tools

Platform teams build internal cloud platforms using Kubernetes as the control

Freeplatform-engineeringkubernetesopen-source
CData & Analytics

Company and startup database with funding data

Freemiumstartupsfundingdatabaseinvestors
CDeveloper Tools

A graphically powerful game engine

Freemiumgame-engine3dgraphics
CDeveloper Tools

Ship and run software with less friction

Freemiumdeveloper-toolscloudautomationmonitoring
CDeveloper Tools

A free 2D game editor and engine

Freegame-engine2dopen-source
CData & Analytics

Semantic layer for building data applications

Freemiumsemantic-layerapimetrics
CDeveloper Tools

Behaviour-driven development tool using plain language specs

Freemiumbddtestinggherkincollaboration
CDeveloper Tools

Cross-platform editor with Python plugins

Freetext-editorcross-platformplugins
CDeveloper Tools

Frontend to curl with HTTPie-style ease of use

Freeclicurlhttpapi
CDeveloper Tools

The AI-first code editor built for pair programming with AI.

Freemiumcode-editoraicoding-assistantai-agents
CDeveloper Tools

A libre server and cloud storage browser

Freeftpcloudstorage
CDeveloper Tools

Fast end-to-end testing for web applications

Freemiume2e-testingbrowser-automationqa
DDeveloper Tools

Programmable CI engine that runs anywhere

Freecipipelinescontainers
DDeveloper Tools

WebRTC video and voice API for embedding calls

Freemiumvideo-apiwebrtccallsembedding
DDeveloper Tools

Portable runtime for building distributed applications

Freemicroservicesruntimedistributedbuilding-blocks
DDeveloper Tools

Query and modify data structures from the command line

Freeclijsonyamldata
DDeveloper Tools

Minimal server dashboard for resource usage

Freedashboardserversmonitoringwidget
DLearning & Education

Interactive courses for data and AI skills.

Freemiumdata-sciencepythonsqlai
DDeveloper Tools

Full-stack observability and security monitoring platform

Freemiummonitoringobservabilityapmlogging
DProductivity & Notes

Database IDE from JetBrains for SQL professionals

Paiddatabase-idejetbrainssql
DDeveloper Tools

Flat-file CMS for small websites and wikis

Freecmsflat-fileblogwiki
DDeveloper Tools

Headless CMS for websites and digital products

Freemiumheadless cmsapicontentdevelopers
DDeveloper Tools

Ship and run software with less friction

Paiddeveloper-toolscloudautomationmonitoring
DDeveloper Tools

Sandbox infrastructure for AI agents and code execution

Freemiumsandboxesagentsinfrastructure
DData & Analytics

Visual browser and editor for SQLite databases

Freesqlitedatabasebrowser
DData & Analytics

Universal database tool for developers and analysts

Freemiumdatabase-clientsqldesktop
DData & Analytics

Smart cross-platform database manager and SQL client

Freedatabasesqlmanagermongodb
DData & Analytics

Transform data in your warehouse with SQL.

Freemiumdata-transformationsqldata-warehouseanalytics-engineering
DDeveloper Tools

Git-based CMS for static site generators

Freecmsgitopen-source
DAI Image & Video

Simple AI image, chat and API tools for everyone

Freemiumimage-generationapichat
DAI Image & Video

Speech-to-text and voice AI APIs for developers

Freemiumspeech-to-textapivoice
DDeveloper Tools

Static analysis platform with autofix for code health

Freemiumstatic-analysiscode-qualityautofixsecurity
DDeveloper Tools

Vulnerability management and DevSecOps platform

Freevulnerabilitiesdevsecopsmanagementscanners
DDeveloper Tools

A free engine for cross-platform games

Freegame-engine2dcross-platform
DDeveloper Tools

Compare files, folders and archives anywhere

Paiddiffcomparecross-platform
DDeveloper Tools

Secure JavaScript and TypeScript runtime

Freemiumruntimetypescriptjavascript
DDeveloper Tools

Fast Docker image builds in the cloud

Freemiumdockerbuildsci
DDeveloper Tools

Drag-and-drop authentication and user management

Freemiumauthenticationpasskeysflows
DDeveloper Tools

Gray-box end-to-end testing for React Native

Freereact-nativee2e-testingmobileopen-source
DDeveloper Tools

Client-only tool for fast Kubernetes development

Freekubernetesdevelopmentsynclocal
DData & Analytics

Distributed graph database with GraphQL support

Freemiumgraphdatabasegraphqldistributed
DUtilities & Security

Free avatar library and API for products

Freeavatarsapiopen-source
DDeveloper Tools

Graphically compare and merge files

Freediffmergecross-platform
DDeveloper Tools

Headless CMS and data platform for SQL databases

Freemiumheadless-cmsapidatabase
DDeveloper Tools

An enterprise CMS built on Django

Freecmsdjangopython
DDeveloper Tools

Build, ship, and run apps in containers.

Freemiumcontainersdevopsdeployment
DDeveloper Tools

HTML to PDF and Excel conversion API

Paidpdf apiexceldevelopersdocuments
DDeveloper Tools

React documentation site generator by Meta

Freedocumentationstatic-sitereact
DDeveloper Tools

Command-line DNS client for humans written in Go

Freednsclinetworkinggo
DDeveloper Tools

Docker-powered mini-Heroku that deploys apps to your own servers with Git

Freepaasdeploymentdocker
DData & Analytics

In-memory data store compatible with Redis and Memcached APIs

Freemiumcachein-memoryredisdatabase
DData & Analytics

TypeScript ORM with SQL-like syntax

Freeormtypescriptsql
DDeveloper Tools

Container-native continuous integration platform

Freemiumcicontainerspipelinesautomation
DDeveloper Tools

AI-powered observability for enterprise software

Paiddeveloper-toolsapiautomationlow-code
EDeveloper Tools

Website CMS in PHP with plugin architecture

Freecmsphpwebsitesplugins
EDeveloper Tools

Cloud sandboxes for AI agents and code interpretation

Freemiumsandboxescode-interpreteragents
EUtilities & Security

Search the EAN and UPC barcode database

Freebarcodeseandatabase
EDeveloper Tools

Ship and run software with less friction

Paiddeveloper-toolscloudautomationmonitoring
EDeveloper Tools

Open source MQTT message broker from Eclipse

Freemqttbrokeriotmessaging
EDeveloper Tools

Vendor-neutral edge computing framework for IoT

Freeiotedgedevicesframework
EDeveloper Tools

Distributed search and analytics engine

Freemiumsearchanalyticsloggingopen-source
EDeveloper Tools

A simpler static site generator

Freestatic-sitejavascriptflexible
EData & Analytics

Email verification and deliverability platform

Freemiumemail verificationdeliverabilitylist cleaningapi
EUtilities & Security

A front-end for retro game emulators

Freeemulationfrontendretro
EDeveloper Tools

Run arbitrary commands when files change

Freefile-watchingautomationclidevelopment
EDeveloper Tools

Cloud-native high-performance edge and service proxy

Freeproxyservice-meshcloud-nativenetworking
EDeveloper Tools

Helps engineering teams draw architecture diagrams and write technical documents together.

Freemiumsaasdeveloper-toolsapicloud
EData & Analytics

Event-native database for event sourcing applications

Freemiumevent-sourcingdatabaseeventsstreaming
EData & Analytics

Business intelligence as code with SQL and Markdown

Freemiumbi-as-codesqlopen-source
EDeveloper Tools

AI-driven system test generation for REST, GraphQL and RPC

Freetestingaiapiautomation
EDeveloper Tools

Visual file and directory comparison for Windows

Paiddiffcomparewindows
FDeveloper Tools

Generative media platform and model APIs

Paidmedia-apiinferencegeneration
FDeveloper Tools

Cloud-native runtime security for hosts and containers

Freesecurityruntimekubernetesdetection
FDeveloper Tools

Collaborative penetration testing and vuln management

Freemiumpentestingvulnerabilitiesreportingteams
FDeveloper Tools

Property-based testing framework for JavaScript and TypeScript

Freeproperty-testingjavascripttypescripttesting
FDeveloper Tools

Edge cloud for delivery, compute and security

Freemiumcdnedge-computesecuritystreaming
FDeveloper Tools

Framework for realtime APIs and microservices

Freeapiframeworknodejsrealtime
FDeveloper Tools

API documentation and SDK generation platform

Freemiumapi-docssdksgeneration
FDeveloper Tools

Free web debugging proxy for Windows

Freeproxyhttpdebugging
FDeveloper Tools

File upload API and transformations

Paidupload apifilestransformationsstorage
FDeveloper Tools

The long-standing free FTP solution

Freeftpclientcross-platform
FDeveloper Tools

Google's app platform with database, auth, hosting and analytics built in

Freemiumbackendapp-developmentdatabaseauthentication
FData & Analytics

Relational database with a long open source history

Freedatabasesqlrelationalserver
FDeveloper Tools

Multi-protocol API platform for REST, GraphQL and sockets

Freemiumapiwebsocketgraphqltesting
FAI Agents

Web data API for scraping, crawling and LLM extraction

Freemiumscrapingcrawlingllmapi
FDeveloper Tools

Developer infrastructure, handled

Paiddev-toolsdeveloper-toolscloudautomation
FDeveloper Tools

Fast serverless framework for Kubernetes in Go

Freeserverlessfunctionskubernetesframework
FDeveloper Tools

Progressive delivery tool for Kubernetes canary deployments

Freekubernetescanarydeliveryprogressive
FDeveloper Tools

Open-source feature flag and remote config service

Freemiumfeature-flagsopen-sourceremote-config
FDeveloper Tools

Container Linux for auto-updating server fleets

Freelinuxcontainersserversupdates
FDeveloper Tools

Developer infrastructure, handled

Freemiumdeveloper-toolscloudautomationmonitoring
FDeveloper Tools

Helps developers deploy full-stack apps to their own AWS account with.

Paidapiclouddeveloper-toolssaas
FDeveloper Tools

Open-source feature flag application that stores flags in your own database

Freefeature-flagsopen-sourcegitops
FDeveloper Tools

GitOps continuous delivery for Kubernetes

Freegitopskubernetesopen-source
FDeveloper Tools

Run full-stack apps on lightweight VMs close to users worldwide

Paidapp-hostingdeploymentedge-computingpaas
FDeveloper Tools

Community fork of Gitea for software forges

Freegitself-hostedcommunity
FDeveloper Tools

A fast and friendly Git client

Paidgitguifast
FDeveloper Tools

Load testing library, command line tool and web UI

Freeload-testingperformanceistiocli
FDeveloper Tools

Distributed version control system that bundles a wiki, bug tracker and

Freeversion-controlopen-sourcebug-tracking
FData & Analytics

Distributed database with ACID transactions at scale

Freedistributeddatabasetransactionskey-value
FDeveloper Tools

Edit binary files of almost any size

Freehex-editorbinarywindows
FDeveloper Tools

Integrated identity and policy management for Linux

Freeidentityldapkerberoslinux
FDeveloper Tools

Provides B2B SaaS teams with user management.

Freemiumcloudapideveloper-toolssaas
FDeveloper Tools

Downloadable customer identity and access management

Freemiumidentityciamself-hosted
FDeveloper Tools

Terminal JSON viewer with mouse support and themes

Freejsonterminalviewercli
GDeveloper Tools

The accessible 2D game engine

Freemiumgame-engine2dindie
GDeveloper Tools

Drag-and-drop game creation for education

Freemiumgame-engineno-codeeducation
GDeveloper Tools

Virtual server cluster management tool

Freevirtualizationclusterskvmmanagement
GDeveloper Tools

Load testing platform for developers

Freemiumload-testingperformancedeveloper
GDeveloper Tools

A React framework for fast websites

Freestatic-sitereactframework
GDeveloper Tools

Automated developer health dashboard and status page

Freemonitoringstatus-pagehealth-checksalerting
GDeveloper Tools

Lightweight cross-platform test automation tool

Freeacceptance-testingautomationmarkdowntesting
GDeveloper Tools

No-code, open-source game creation

Freegame-engineno-codeopen-source
GDeveloper Tools

Lightweight IDE that starts instantly

Freeidelightweighteditor
GDeveloper Tools

Application framework for distributed job execution

Freejobsdistributedworkersframework
GData & Analytics

Graph-relational database built on PostgreSQL

Freedatabasegraphpostgresquery
GDeveloper Tools

Web mapping framework for GIS data publishers

Freemapsgisframeworkviewers
GDeveloper Tools

Server for sharing and editing geospatial data

Freegeospatialmapsserverstandards
GDeveloper Tools

Web-based team code collaboration and review tool

Freecode-reviewgitcollaborationreview
GAI Image & Video

AI image generation and editing platform in one place

Freemiumimage-generationeditingapi
GDeveloper Tools

Publishing platform for newsletters and memberships

Freemiumpublishingnewsletteropen-source
GDeveloper Tools

Fast GPU-accelerated terminal emulator

Freeterminalgpunative
GDeveloper Tools

Full-featured Git UI for Windows

Freegitwindowsgui
GDeveloper Tools

Documentation platform for products and APIs

Freemiumdocumentationpublishingapi-docs
GDeveloper Tools

Git platform powered by Scala with easy installation

Freegitself-hostedcode-hostingscala
GDeveloper Tools

Lightweight self-hosted Git service in Go

Freegitself-hostedopen-source
GDeveloper Tools

Simple GitHub workflow without the terminal

Freegitgithubgui
GDeveloper Tools

Legendary Git client with a visual commit graph

Freemiumgitguicross-platform
GDeveloper Tools

The complete DevOps platform in a single application.

Freemiumgitdevopsci-cd
GDeveloper Tools

Scan code and git history for leaked secrets

Freesecretsscannergitsecurity
GDeveloper Tools

Git hosting with fine-grained access control

Freegithostingaccess-controlssh
GDeveloper Tools

Cloud development environments, now Ona

Freemiumcloud-idedev-environmentssandbox
GAI Image & Video

Multilingual speech-to-text API platform

Freemiumspeech-to-textapimultilingual
GDeveloper Tools

Cross-platform system monitoring tool written in Python

Freemonitoringsystempythoncli
GDeveloper Tools

Open-source subscription infrastructure for apps

Paidsubscriptionsopen sourceinfrastructuremobile
GDeveloper Tools

Provides in-app bug reporting.

Freemiumclouddeveloper-toolssaasapi
GDeveloper Tools

Turn spreadsheets into polished mobile and web apps.

Freemiumno-codeapp-builderspreadsheets
GDeveloper Tools

Open-source error tracking platform compatible with Sentry SDKs

Freemiumerror-trackingopen-sourceself-hosted
GDeveloper Tools

Lightweight Java application performance monitoring

Freeapmjavatracingperformance
GDeveloper Tools

Scalable network filesystem for storage clusters

Freefilesystemstorageclustersdistributed
GDeveloper Tools

Forge hosting GNU and free software projects

Freehostingforgegnuprojects
GDeveloper Tools

Continuous delivery server with value stream visualisation

Freecdpipelinesdeliverydevops
GDeveloper Tools

A completely free and open game engine

Freegame-engineopen-source2d3d
GDeveloper Tools

Painless self-hosted Git service written in Go that runs on very

Freegitself-hostedopen-source
GDeveloper Tools

Phishing simulation framework for awareness training

Freephishingsimulationawarenesstraining
GDeveloper Tools

Open dashboards and visualization for observability

Freemiumdashboardsobservabilityvisualizationopen-source
GDeveloper Tools

A fast flat-file CMS

Freecmsflat-filephp
GDeveloper Tools

APIs and event streams with a gateway, portal and access management

Freemiumapi-managementeventsgateway
GDeveloper Tools

Vulnerability management from the OpenVAS project

Freemiumvulnerabilitiesscannersecuritymanagement
GData & Analytics

Unified time-series database for metrics, logs and events

Freemiumtime-seriesobservabilitydatabaselogs
GDeveloper Tools

Search inside files from Explorer's menu

Freesearchregexwindows
GData & Analytics

Hybrid spreadsheet-database for structured data

Freemiumspreadsheetdatabasestructured-data
HDeveloper Tools

Developer assessment and hackathon platform

Paiddeveloper hiringassessmentshackathonscoding
HDeveloper Tools

Build, deploy and monitor in one workflow

Paidautomationmonitoringdeploymentapi
HDeveloper Tools

Fast and reliable TCP and HTTP load balancer

Freeload-balancerproxyhttphigh-availability
HDeveloper Tools

Extensible Node.js SMTP server

Freesmtpemailnodejsserver
HDeveloper Tools

Software delivery platform with CI, CD and feature flags

Freemiumci-cdplatformenterprise
HDeveloper Tools

Secrets management and data protection

Freemiumsecrets-managementsecurityopen-source
HDeveloper Tools

Instant GraphQL APIs on your data

Freemiumgraphqlapibackend
HDeveloper Tools

Extensible Kubernetes web UI for exploring clusters and workloads visually

Freekubernetesuiopen-source
HDeveloper Tools

Open-source, self-hosted implementation of the Tailscale control server for WireGuard networks

Freevpnnetworkingself-hosted
HData & Analytics

Lightweight client for MariaDB, MySQL and other servers

Freesqlclientmysqlgui
HDeveloper Tools

Post-modern modal text editor for the terminal

Freeterminaleditormodal
HDeveloper Tools

Package manager for Kubernetes applications

Freekubernetespackagingdeploymentdevops
HDeveloper Tools

Ship and run software with less friction

Paidautomationmonitoringdeploymentapi
HData & Analytics

Collaborative notebooks for data teams.

Freemiumnotebooksdata-sciencesqlpython
HDeveloper Tools

A fast blogging framework powered by Node

Freestatic-siteblognode
HDeveloper Tools

Error tracking and uptime monitoring for developers

Freemiumerror-trackinguptimemonitoring
HDeveloper Tools

Lightweight API client

Freeapitestingopen-source
HDeveloper Tools

Lightweight API simulation especially for microservices

Freeapi-simulationtestingmicroservicesproxy
HDeveloper Tools

API to convert HTML and CSS into images

Paidapiimage generationdevelopersautomation
HDeveloper Tools

Mozilla tool for scanning website security posture

Freesecurityheadersscanningweb
HDeveloper Tools

Human-friendly HTTP client for APIs

Freemiumhttp-clientapi-testingcli
HDeveloper Tools

Fast static site generator written in Go

Freestatic-sitegeneratorgo
HDeveloper Tools

A fast hex, disk and memory editor

Freehex-editordiskwindows
HDeveloper Tools

Provides a GraphQL-native headless CMS for federating content from multiple sources.

Freemiumcloudsaasdeveloper-toolsapi
HDeveloper Tools

Uptime monitoring with beautiful hosted status pages for products

Freemiumuptimestatus-pagesmonitoring
HDeveloper Tools

Property-based testing library for Python

Freeproperty-testingpythontestingfuzzing
IDesign & Creative

Thousands of open-source icon sets behind one API and component library

Freeiconsapiopen-source
IDeveloper Tools

Wiki compiler powered by version control

Freewikicompilergitmarkdown
IDeveloper Tools

Device-aware image CDN

Paidimage cdnoptimizationperformancedevices
IDeveloper Tools

Media management and delivery platform

Freemiumimagesvideotransformationsdam
IDeveloper Tools

Image and video processing CDN

Paidimagescdnoptimizationvideo
IDeveloper Tools

A hex editor for reverse engineers

Freehex-editorreverse-engineeringopen-source
IDeveloper Tools

The HTML5 engine behind many early web games

Paidgame-enginehtml5classic
IDeveloper Tools

Ship and run software with less friction

Paidmonitoringdeploymentapiinfrastructure
IDeveloper Tools

A scripting language for interactive narrative

Freenarrativescriptinggames
IDeveloper Tools

Collaborative API client for design, testing and debugging

Freemiumapitestingapi-clientdebugging
IDeveloper Tools

Helps mobile teams collect in-app bug reports.

Paiddeveloper-toolscloudapisaas
IData & Analytics

Realtime client-side database for apps

Freemiumdatabasereal-timefrontend
IDeveloper Tools

Fast, elegant status pages that keep customers informed during incidents

Freemiumstatus-pagesincidentscommunication
IDeveloper Tools

Peer-to-peer hypermedia protocol for content addressing

Freep2pstorageprotocoldistributed
IDeveloper Tools

Geolocation, astronomy and timezone APIs

Freemiumip geolocationapitimezonedevelopers
IUtilities & Security

IP address data for geolocation and companies

Freemiumip-datageolocationapi
IDeveloper Tools

IP geolocation API for location data

Freemiumip geolocationapidevelopersdata
IDeveloper Tools

Service mesh for traffic, security and observability

Freeservice-meshkubernetessecuritytraffic
JDeveloper Tools

Open-source distributed tracing from Uber and CNCF

Freetracingmicroservicesopen-source
JDeveloper Tools

Helps teams capture bug reports as shareable links with logs.

Freemiumsaasapiclouddeveloper-tools
JData & Analytics

Distributed graph database optimised for large graphs

Freegraphdatabasedistributedscalable
JDeveloper Tools

Transform plain text into static websites

Freestatic-siteblogruby
JDeveloper Tools

Open-source automation server for CI and CD

Freeci-cdautomationdevopsopen-source
JDeveloper Tools

Delightful JavaScript testing framework

Freeunit-testingjavascriptopen-source
JDeveloper Tools

Developer infrastructure, handled

Paidmonitoringdeploymentapiinfrastructure
JData & Analytics

Search foundation APIs for embeddings and reranking

Freemiumembeddingssearchapi
JDeveloper Tools

Property-based testing engine for JUnit on the JVM

Freeproperty-testingjavajunittesting
JDeveloper Tools

Command runner that saves project-specific commands in a justfile

Freetask-runnercliautomationmake-alternative
KDeveloper Tools

Single-binary Kubernetes distribution for any platform

Freekubernetessingle-binaryclustersedge
KDeveloper Tools

Lightweight certified Kubernetes distribution

Freekuberneteslightweightedgecontainers
KDeveloper Tools

Developer-friendly load testing with JavaScript scripts

Freemiumload-testingperformanceopen-source
KDeveloper Tools

Terminal UI for observing and managing Kubernetes clusters in real time

Freekubernetesterminalcli
KDeveloper Tools

Self-hosted source code hosting for Git and Mercurial

Freegitmercurialrepositoriescode-review
KDeveloper Tools

Modern identity management server written in Rust

Freeidentityrustauthenticationaccounts
KDeveloper Tools

Unified test automation for APIs, UI and performance

Freemiumtestingapiautomationperformance
KDeveloper Tools

Ship and run software with less friction

Paidcloudautomationmonitoringdeployment
KDeveloper Tools

Test automation platform for web, API and mobile

Freemiumtest-automationplatformlow-code
KDeveloper Tools

Advanced text editor from the KDE community

Freetext-editorkdecoding
KDeveloper Tools

Three-way merge tool from KDE

Freediffmergekde
KDeveloper Tools

Open source status page and monitoring in a small package

Freestatus-pageuptimemonitoringincidents
KDeveloper Tools

Cloud-native application life-cycle orchestration

Freekubernetesdeliverysloorchestration
KDeveloper Tools

Ship and run software with less friction

Paidmonitoringdeploymentapiinfrastructure
KDeveloper Tools

Open-source identity and access management

Freeidentityauthenticationopen-source
KDeveloper Tools

Design circuit boards like a pro, free

Freepcbelectronicsedaopen-source
KDeveloper Tools

HTML5-based management for KVM virtualization

Freekvmmanagementwebvirtualization
KDeveloper Tools

Kubernetes in Docker for local clusters and testing

Freekubernetesdockertestinglocal
KDeveloper Tools

Auth and user management platform for modern apps

Freemiumauthenticationuser-managementbilling
KDeveloper Tools

Microsoft command-line tool to generate API clients

Freeopenapicode-generationsdkcli
KDeveloper Tools

The file-based CMS for designers

Paidcmsflat-filephp
KDeveloper Tools

Open source test case management system

Freemiumtest-managementopen-sourceqatracking
KDeveloper Tools

Kubernetes platform for serverless and event-driven apps

Freeserverlesskuberneteseventsplatform
KDeveloper Tools

High-performance authoritative DNS server

Freednsserverperformancenetworking
KDeveloper Tools

Free planning poker and retrospective tool

Freeplanning-pokeragileestimationfree
KDeveloper Tools

An easy WYSIWYG web page editor

Freeweb-editorwysiwygbeginner
KDeveloper Tools

API gateway and service connectivity platform

Freemiumapi-gatewaymicroservicesopen-source
KDeveloper Tools

Lets developers deploy web apps.

Freemiumdeveloper-toolssaascloudapi
KUtilities & Security

Image optimization service with an API and WordPress integration

Freemiumimage-optimizationapiwordpressweb-performance
KDeveloper Tools

High-performance API gateway that aggregates many services

Freemiumapi-gatewayaggregationperformancemicroservices
KDeveloper Tools

gRPC and REST client with strong autocompletion

Freemiumgrpcapi-clientresttesting
KData & Analytics

Streaming SQL database purpose-built for Kafka

Freemiumstreamingsqlkafkaevents
KDeveloper Tools

Open-source container orchestration at scale

Freecontainersorchestrationdevopsopen-source
KDeveloper Tools

Application delivery platform that renders and deploys apps

Freekubernetesdeliveryplatformapplications
KDeveloper Tools

Universal service mesh for Kubernetes and VMs

Freeservice-meshenvoykubernetespolicies
KDeveloper Tools

Template-free customisation of Kubernetes configurations

Freekubernetesconfigurationyamldevops
KData & Analytics

Embeddable graph database built for fast analytics

Freegraphdatabaseembeddedanalytics
KDeveloper Tools

Backend platform with realtime and geolocation APIs

Freebackendrealtimeapiiot
KData & Analytics

Type-safe SQL query builder for TypeScript

Freequery-buildertypescriptsql
KDeveloper Tools

Policy engine designed for Kubernetes with YAML policies

Freekubernetespolicysecuritygovernance
LDeveloper Tools

AI-powered test orchestration and execution platform

Freemiumcross-browser-testingtest-orchestrationcloud
LDeveloper Tools

Lightweight and modular continuous integration service

Freeciself-hostedlightweightbuilds
LDeveloper Tools

Lightning-fast code editor written in Rust

Freecode-editorrustfast
LUtilities & Security

A pretty front-end for all your games

Freemiumgame-libraryemulationfrontend
LDeveloper Tools

Feature management and experimentation platform

Freemiumfeature-flagsexperimentationreleases
LDeveloper Tools

Software collaboration platform for code, bugs and translations

Freecodebugstranslationspackages
LAI Agents

AI workflow automation platform for marketing and sales

Paidai-automationworkflowsapiintegrations
LDeveloper Tools

Static site generator with a friendly admin UI

Freestatic-sitecmseditorgenerator
LDeveloper Tools

Web single sign-on with access management

Freessoauthenticationwebportal
LDeveloper Tools

The Kubernetes IDE for clusters and workloads

Freemiumkubernetesideclusters
LDeveloper Tools

Ship and run software with less friction

Paidcloudautomationmonitoringdeployment
LDeveloper Tools

In-process coverage-guided fuzzing engine from LLVM

Freefuzzingllvmsecuritycpp
LDeveloper Tools

SDK generation platform for APIs in many languages

Paidsdkcode-generationapiopenapi
LDeveloper Tools

Platform for training and deploying AI from the browser

Freemiumtrainingpytorchplatform
LDeveloper Tools

Linux virtual machines for macOS with automatic file sharing

Freevirtual-machineslinuxmacoscontainers
LDeveloper Tools

Issue tracking for modern teams

Freemiumproject-managementissuesproductivity
LDeveloper Tools

Ultralight service mesh for Kubernetes

Freeservice-meshkubernetesobservabilitysecurity
LDeveloper Tools

Ship and run software with less friction

Paidautomationmonitoringdeploymentapi
LDeveloper Tools

Tiny extensible editor written in Lua

Freetext-editorlightweightlua
LData & Analytics

SQLite CLI with auto-completion and syntax highlighting

Freesqliteclidatabasesql
LData & Analytics

Serverless NoSQL database in a single .NET library

Freenosqldotnetembeddeddatabase
LAI Agents

Unified interface for calling 100+ LLM APIs

Freegatewayopen-sourceapi
LDeveloper Tools

Interactive code search across many repositories

Freecode-searchrepositoriesregexdevelopers
LDeveloper Tools

Open-source WebRTC platform for video, voice and AI

Freemiumwebrtcopen-sourcevideo-apivoice-ai
LData & Analytics

Ultra-fast memory-mapped key-value database library

Freekey-valueembeddeddatabasememory-mapped
LDeveloper Tools

Simple cloud load testing service for web apps and APIs from

Freemiumload-testingcloudsimple
LDeveloper Tools

Local cloud emulator for AWS services

Freemiumawsemulatorlocal-developmenttesting
LDeveloper Tools

Load testing framework written in Python

Freeload-testingpythonopen-source
LDeveloper Tools

Session replay and product analytics for web and mobile

Freemiumsession-replaymonitoringanalytics
LDeveloper Tools

Open-source auth and user management for products

Freemiumauthenticationopen-sourcesaas
LDeveloper Tools

Node.js framework for building APIs quickly

Freeapinodejsframeworkmodels
LDeveloper Tools

A framework for making 2D games in Lua

Freegame-enginelua2d
LDeveloper Tools

Security auditing tool for Unix-based systems

Freeauditingsecuritylinuxhardening
MData & Analytics

Distributed time series database from Uber

Freetime-seriesmetricsdatabasemonitoring
MDeveloper Tools

AI-native test automation platform for web apps

Freemiumtest-automationlow-codeai
MDeveloper Tools

Mobile UI testing framework with simple YAML flows

Freemobile-testingyamlopen-source
MDeveloper Tools

Headless-capable enterprise CMS in Java

Freemiumcmsjavaenterpriseheadless
MData & Analytics

Email address validation API and bulk checker

Freemiumemail validationapibulk checkerfraud
MDeveloper Tools

Transactional email and SMS API platform

Freemiumtransactional emailapismsdevelopers
MDeveloper Tools

Email API and delivery service for developers

Freemiumemail apideliverabilitydeveloperstransactional
MMarketing & SEO

Email marketing and transactional email platform

Freemiumemail-marketingapitransactionalcollaboration
MDeveloper Tools

Email testing sandbox and sending infrastructure

Freemiumemail testingdeveloperssandboxsending
MData & Analytics

Fast open-source search engine forked from Sphinx

Freesearchsqlopen-source
MData & Analytics

Maps location search and navigation APIs

Freemiummapsapilocation
MDeveloper Tools

Platform for publishing spatial data to the web

Freemapsgeospatialserverrendering
MData & Analytics

Open-source relational database forked from MySQL

Freemiumdatabasesqlopen-source
MDeveloper Tools

Lets website visitors and teams report bugs with annotated screenshots that.

Paidsaasdeveloper-toolsapicloud
MData & Analytics

Operational data warehouse for realtime SQL views

Freemiumstreaming-sqldatabaserealtime
MDeveloper Tools

IP geolocation and fraud detection data services

Paidip geolocationfraud detectiondatasecurity
MDeveloper Tools

Create online books from Markdown files

Freedocumentationmarkdownbooksstatic-site
MDeveloper Tools

Developer platform for building healthcare apps

Freemiumhealthcarefhirapidevelopers
MDeveloper Tools

Visual diff and merge tool for developers

Freediffmergevisual
MDeveloper Tools

A lightweight HTML5 game engine

Freegame-enginehtml52d
MAI Agents

Memory layer for AI agents and applications

Freemiummemorypersonalizationapi
MData & Analytics

In-memory graph database for real-time streaming data

Freemiumgraphdatabasein-memorystreaming
MDeveloper Tools

Developer infrastructure, handled

Freemiumautomationmonitoringdeploymentapi
MDeveloper Tools

Fast, scalable distributed version control system

Freevcsversion-controlcodecli
MDeveloper Tools

Provides omnichannel communication APIs connecting businesses with customers on chat apps.

Paiddeveloper-toolscloudsaasapi
MDeveloper Tools

Meta tag preview and generator for social sharing

Freemeta tagsseoopen graphgenerator
MDeveloper Tools

Penetration testing framework used worldwide

Freemiumpentestingexploitsframeworksecurity
MDeveloper Tools

Modern terminal text editor with mouse support

Freeterminaleditorcli
MDeveloper Tools

Kubernetes-native tool for API mocking and testing

Freemockcontract-testingkubernetesapi
MDeveloper Tools

Lightweight Kubernetes for workstations and appliances

Freekubernetesubuntuclusterssimple
MUtilities & Security

Turn any URL into metadata, screenshots and PDFs

Freemiumapimetadatascreenshots
MMarketing & SEO

Bulk email verification to cut bounces

Freemiumemail-verificationdeliverabilitylist-cleaningapi
MDeveloper Tools

Documentation platform for beautiful developer docs

Freemiumdocumentationapi-docsdeveloper-experience
MDeveloper Tools

Self-hosted chat and video API solution

Paidchat apiself-hostedvideocommunication
MDeveloper Tools

Polyglot tool version manager and task runner

Freeversion-managerenvtasks
MDeveloper Tools

Threat intelligence sharing platform for indicators

Freethreat-intelligencesharingsecurityindicators
MDeveloper Tools

Project documentation from Markdown files

Freedocumentationstatic-sitepython
MDeveloper Tools

All-in-one terminal for remote computing

Freemiumsshterminalxserver
MDeveloper Tools

Offline website builder for small sites

Freemiumwebsite-builderofflinebootstrap
MDeveloper Tools

Free desktop app for local API mocking

Freemockingapiopen-source
MDeveloper Tools

Serverless compute platform for AI and data workloads

Freemiumserverlessgpupython
MDeveloper Tools

Document database and developer data platform

Freemiumdatabasenosqlcloud-databasedocuments
MDeveloper Tools

Synthetic monitoring with YAML configuration

Freemonitoringprobesalertscli
MDeveloper Tools

Lightweight process and system monitoring daemon

Freemonitoringdaemonsysadminautomation
MDeveloper Tools

Java framework and business application suite

Freeframeworkerpjavaenterprise
MData & Analytics

Serverless DuckDB analytics in the cloud.

Freemiumdata-warehousesqlduckdbanalytics
MDeveloper Tools

Over-the-wire test doubles for services in any language

Freemocktestingstubsservices
MAI Image & Video

Generative royalty-free music for content and apps

Freemiummusic-generationroyalty-freeapi
MUtilities & Security

Multicultural avatar characters for any project

Freeavatarscharactersapi
MData & Analytics

Community-maintained open music encyclopedia

Freemusicmetadatadatabaseencyclopedia
MDeveloper Tools

Video API for streaming and on-demand video

Freemiumvideo-apistreaminganalyticsdevelopers
MData & Analytics

MySQL CLI with auto-completion and syntax highlighting

Freemysqlclidatabasesql
NDeveloper Tools

Service discovery and configuration management platform

Freediscoveryconfigurationmicroservicescloud-native
NDeveloper Tools

Network monitoring suite forked from Nagios

Freemonitoringnagiosalertsnetwork
NDeveloper Tools

Industry-standard infrastructure monitoring system

Freemonitoringinfrastructurealertsnetwork
NDeveloper Tools

Lightweight cloud-native messaging for distributed systems

Freemessagingpub-submicroservicesstreaming
NData & Analytics

Graph database platform for connected data

Freemiumgraphdatabasecypherknowledge-graph
NDeveloper Tools

Serverless Postgres

Freemiumdatabasepostgresserverless
NDeveloper Tools

Real-time infrastructure monitoring with per-second metrics

Freemiummonitoringinfrastructurereal-time
NDeveloper Tools

Web platform for deploying sites and apps with CI/CD, functions and edge

Freemiumweb-hostingdeploymentjamstackci-cd
NDeveloper Tools

Enterprise network and infrastructure monitoring system

Freemonitoringnetworksnmpalerts
NMarketing & SEO

Email verification and list cleaning service

Paidemail-verificationdeliverabilityapilist-cleaning
NDeveloper Tools

Intelligent observability for your whole stack

Freemiumobservabilityapmmonitoringanalytics
NDeveloper Tools

Offers a free open-source React framework for building server-rendered and static.

Freeopen-sourcesaasdeveloper-toolsapi
NDeveloper Tools

Open-source Firebase alternative with GraphQL

Freemiumbackendgraphqlopen-source
NDeveloper Tools

A website builder that works offline

Freemiumwebsite-builderdesigndesktop
NDeveloper Tools

Static site generator with incremental rebuilds

Freestatic-sitegeneratorblogpython
NDeveloper Tools

Build, deploy and monitor in one workflow

Paidcloudautomationmonitoringdeployment
NDeveloper Tools

Network discovery and security auditing scanner

Freescannernetworkdiscoverysecurity
NDeveloper Tools

Flow-based programming for wiring devices and APIs

Freeflow-basediotautomationintegration
NDeveloper Tools

Simple workload orchestrator for containers and other apps

Freemiumorchestrationschedulercontainersworkloads
NDeveloper Tools

Gives developers a platform to build.

Freemiumapideveloper-toolssaascloud
NDeveloper Tools

Realtime distributed messaging platform

Freemessagingqueuesrealtimedistributed
NDeveloper Tools

Fast vulnerability scanner powered by YAML templates

Freescannervulnerabilitiestemplatessecurity
NDeveloper Tools

High-performance serverless platform for data and ML workloads

Freeserverlessfunctionsdataml
NDeveloper Tools

Provides a free open-source framework for building Vue applications with server.

Freeopen-sourcecloudapisaas
NDeveloper Tools

Build system for monorepos with AI-powered CI

Freemiummonorepobuild-systemdevops
OData & Analytics

Fast object database for mobile and IoT devices

Freemiumdatabasemobileiotobjects
ODeveloper Tools

Network monitoring with automatic device discovery

Freemiummonitoringnetworksnmpgraphs
OData & Analytics

Enterprise distributed database built for scale

Freemiumdistributeddatabasetransactionsenterprise
ODeveloper Tools

Laravel-based CMS platform for websites

Freemiumcmslaravelphpwebsites
ODeveloper Tools

Deployment automation for releases and runbooks

Freemiumdeploymentsautomationreleases
ODeveloper Tools

Self-hosted Git server with CI/CD and code intelligence

Freemiumgitcidevopsself-hosted
ODeveloper Tools

Complete open source observability and reliability platform

Freemiummonitoringstatus-pageincidentson-call
ODeveloper Tools

An open-source 3D engine for games and simulation

Freegame-engine3dopen-source
OData & Analytics

Crowdsourced database of food products worldwide

Freefoodnutritiondatabasecrowdsourced
ODeveloper Tools

Generate API clients and server stubs from OpenAPI specs

Freeopenapicode-generationapiclients
ODeveloper Tools

Java-based enterprise website content management

Freecmsjavaenterprisewebsites
ODeveloper Tools

Cyber threat intelligence management platform

Freethreat-intelligencesecurityplatformgraph
ODeveloper Tools

Serverless functions made simple on Kubernetes and Docker

Freemiumserverlessfunctionskubernetesdocker
ODeveloper Tools

Self-hosted pastebin and snippet service powered by Git with search and

Freesnippetspastebinself-hosted
ODeveloper Tools

Open Graph checker and preview tool

Freeopen graphcheckerseopreview
ODeveloper Tools

Source code search and cross-reference engine

Freecode-searchindexingrepositoriesdevelopers
ODeveloper Tools

JavaScript library for interactive maps in browsers

Freemapsjavascriptlibraryweb
ODeveloper Tools

Open source LDAP directory server implementation

Freeldapdirectoryserveridentity
ODeveloper Tools

Tools and schema for building vector tile maps

Freemiummapsvector-tilesopenstreetmaptools
OData & Analytics

Usage metering for billing and analytics

Freemeteringbillingusageapi
ODeveloper Tools

Cloud computing platform for private clouds

Freemiumcloudvirtualizationinfrastructuremanagement
ODeveloper Tools

Offers a self-hostable session replay platform with product analytics.

Freemiumsaasdeveloper-toolsapicloud
OAI Chat & Assistants

One API for every AI model

Freemiumapimodelsdeveloperplayground
ODeveloper Tools

Compliance and vulnerability scanning framework

Freecompliancescapscanningsecurity
ODeveloper Tools

Cloud operating system controlling compute pools

Freecloudinfrastructurecomputeapis
ODeveloper Tools

Open source status page and synthetic monitoring

Freemiummonitoringstatus-pagesyntheticuptime
ODeveloper Tools

Open standard for traces, metrics and logs

Freeobservabilityopen-standardtracing
ODeveloper Tools

Open source infrastructure as code fork of Terraform

Freeiacinfrastructureautomationcloud
OData & Analytics

Scalable time series database on Hadoop

Freetime-seriesdatabasemetricshadoop
ODeveloper Tools

Full-featured vulnerability scanner

Freevulnerabilitiesscannernetworksecurity
OData & Analytics

Multi-model graph-document database

Freemiumdatabasegraphdocumentsdistributed
ODeveloper Tools

Open-source identity and access management platform

Freemiumidentityopen-sourceoauth
ODeveloper Tools

High-performance routing engine for OpenStreetMap

Freeroutingmapsopenstreetmapengine
ODeveloper Tools

Continuous fuzzing service for important open source projects

Freefuzzingsecurityopen-sourcecontinuous
ODeveloper Tools

Host-based intrusion detection system

Freeidsintrusionlogssecurity
ODeveloper Tools

Virtualization management platform based on KVM

Freevirtualizationkvmmanagementhosts
ODeveloper Tools

Identify known vulnerabilities in project dependencies

Freedependenciesvulnerabilitiesscaowasp
ODeveloper Tools

Software composition analysis with SBOM support

Freescasbomdependenciesrisk
ODeveloper Tools

Web application security scanner from OWASP

Freesecurityscannerwebowasp
OData & Analytics

Premium proxy and scraping solutions for enterprises

Paidproxiesweb-scrapingapienterprise
PDeveloper Tools

Visual merge tool from Perforce, free

Freediffmergeperforce
PDeveloper Tools

Automated machine image builder for multiple platforms

Freeimagesautomationinfrastructurebuilds
PDeveloper Tools

Consumer-driven contract testing for microservices

Freecontract-testingmicroservicesintegrationci
PDeveloper Tools

Developer infrastructure, handled

Paiddeveloper-toolscloudautomationmonitoring
PDeveloper Tools

Flexible monitoring for networks, servers and applications

Freemiummonitoringnetworkserversdashboards
PDeveloper Tools

Lets developers build realtime multiplayer applications on edge infrastructure with simple.

Freemiumsaasapiclouddeveloper-tools
PDeveloper Tools

TypeScript headless CMS and application framework

Freeheadless-cmstypescriptnextjs
PDeveloper Tools

Online payment solutions for emerging markets

Paidpaymentsemerging marketsgatewayecommerce
PDeveloper Tools

Automated PDF generation from templates

Freemiumpdf generationtemplatesapidocuments
PDeveloper Tools

Developer infrastructure, handled

Paidmonitoringdeploymentapiinfrastructure
PUtilities & Security

A cross-platform emulator front-end

Freeemulationfrontendcross-platform
PDeveloper Tools

Distributed geocoder for addresses and places

Freegeocodingaddressessearchmaps
PDeveloper Tools

A static site generator in Python

Freestatic-sitepythonblog
PData & Analytics

Enhanced drop-in replacement for MySQL with better performance

Freemiummysqldatabaseperformancediagnostics
PDeveloper Tools

Visual review platform for screenshot testing

Freemiumvisual-testingscreenshotsci
PData & Analytics

Postgres CLI with auto-completion and syntax highlighting

Freepostgresclidatabasesql
PDeveloper Tools

A fast, free HTML5 game framework

Freegame-frameworkhtml5javascript
PDeveloper Tools

Fast geocoder built for OpenStreetMap data

Freegeocodingsearchmapsapi
PDeveloper Tools

Flat-file CMS with no database to manage

Freecmsflat-filemarkdownwebsites
PDeveloper Tools

A fantasy console for tiny games and demos

Paidfantasy-consoleretrogames
PUtilities & Security

Random placeholder photos from real photography

Freeplaceholder-imagesphotosapi
PDeveloper Tools

A visual editor that keeps your code clean

Paidweb-designbootstrapvisual
PDeveloper Tools

Website uptime and performance with real user and synthetic data

Paiduptimeperformancemonitoring
PDeveloper Tools

Pure Go implementation of WebRTC for developers

Freewebrtcgolibraryrealtime
PAI Agents

Developer automation platform with thousands of integrations

Freemiumautomationdevelopersapi
PDeveloper Tools

State of the art mutation testing system for the JVM

Freemutation-testingjavajvmtesting
PDeveloper Tools

The HTML5 creation engine

Freegraphicswebglrendering
PAI Image & Video

Creative automation toolkit for images and videos

Paidautomationtemplatesapi
PAI Image & Video

Automated video creation from templates and data

Paidvideo automationtemplatesapipersonalization
PDeveloper Tools

Open-source project management with docs and intake

Freemiumproject-managementissue-trackingopen-sourcewiki
PDeveloper Tools

Managed Vitess, Neki and Postgres database platform

Paiddatabasemysqlpostgrescloud-hosting
PDeveloper Tools

A cloud-hosted engine for interactive 3D

Freemium3dwebglcloud-editor
PDeveloper Tools

Reliable end-to-end testing for modern web apps

Freee2e-testingbrowser-automationopen-source
PCommunication & Collaboration

Voice and SMS APIs for businesses to build customer communications at

Paidapismsvoice
PDeveloper Tools

Open-source backend in a single file

Freebackenddatabaseopen-sourcesqlite
PDeveloper Tools

Daemonless container engine for developing and running OCI containers

Freecontainersocilinuxengine
PDeveloper Tools

Manage containers and Kubernetes locally

Freecontainerskubernetesopen-source
PDeveloper Tools

Open-source monetization platform for developers

Paidpaymentsopen sourcedeveloperssubscriptions
PDeveloper Tools

Validation of Kubernetes best practices and security

Freekubernetespolicyvalidationsecurity
PUtilities & Security

Quick and modern self-hosted URL shortener

Freeshortenerlinksapiself-hosted
PDeveloper Tools

Kubernetes cluster sanitiser that reports potential issues

Freekubernetesscanninghealthcli
PDeveloper Tools

Docker, Kubernetes and container environments through one visual interface

Freemiumcontainerskubernetesmanagement
PDeveloper Tools

Lets teams deploy applications into their own cloud accounts with a.

Paidclouddeveloper-toolssaasapi
PDeveloper Tools

The world's most advanced open-source relational database

Freedatabasesqlopen-sourcerelational
PLearning & Education

Practice PostgreSQL queries with real exercises

Freepostgresqlsqlpractice
PData & Analytics

Automatic REST API for PostgreSQL databases

Freeapipostgresopen-source
PData & Analytics

Modern PostgreSQL client for Mac

Paidpostgresmacosclientdatabase
PDeveloper Tools

The complete platform for API development.

Freemiumapitestingrest
PDeveloper Tools

Transactional email delivery service for applications

Paidtransactional emailapideliverabilitydevelopers
PData & Analytics

In-browser database that syncs with CouchDB

Freedatabasebrowserofflinesync
PDeveloper Tools

Authoritative and recursive DNS server software

Freemiumdnsserverhostingnetworking
PDeveloper Tools

Modern database toolkit

Freedatabaseormtypescript
PDeveloper Tools

Two-factor authentication system for enterprises

Free2faauthenticationtokensenterprise
PDeveloper Tools

Creative coding environment for visual arts

Freecreative-codingartjava
PDeveloper Tools

CMS and framework with a powerful API

Freecmsframeworkphpapi
PDeveloper Tools

Open-source metrics monitoring and alerting toolkit

Freemonitoringmetricsalertingopen-source
PDeveloper Tools

Helps B2B SaaS developers add authentication.

Freemiumsaasdeveloper-toolsapicloud
PDeveloper Tools

Serverless system for planet-scale maps

Freemapstilesstaticserverless
PDeveloper Tools

Virtualization platform combining KVM and containers

Freemiumvirtualizationkvmcontainersmanagement
PDeveloper Tools

Modern web debugging proxy for macOS

Freemiumproxymacosdebugging
PDeveloper Tools

A desktop CMS for static websites

Freestatic-sitecmsdesktop
PDeveloper Tools

A community-led hyper-hackable text editor

Freetext-editorcommunityatom
PDeveloper Tools

Developer infrastructure, handled

Paiddeveloper-toolscloudautomationmonitoring
PDeveloper Tools

Infrastructure as code in real programming languages

Freemiuminfrastructure-as-codeclouddevops
PDeveloper Tools

Infrastructure automation and configuration management platform

Paidconfigurationautomationcomplianceinfrastructure
PDeveloper Tools

Node.js library for controlling Chrome programmatically

Freebrowser-automationheadless-chromescrapingtesting
PDeveloper Tools

In-app subscription and paywall platform

Paidsubscriptionspaywallsmobileoptimization
PDeveloper Tools

The classic free SSH and Telnet client

Freesshterminalwindows
PDeveloper Tools

pytest fixture for benchmarking code inside test suites

Freebenchmarkpytestpythontesting
QDeveloper Tools

Test management for manual and automated QA teams

Freemiumtest-managementqaautomationreporting
QAI Agents

AI code review and testing platform formerly CodiumAI

Freemiumcode-reviewtestingide
QDeveloper Tools

Subscription data and paywalls for mobile apps

Freemiumsubscriptionsanalyticspaywallsmobile
QDeveloper Tools

Helps platform teams deploy applications on their own AWS accounts with.

Paiddeveloper-toolscloudsaasapi
QDeveloper Tools

IDE for Qt and cross-platform C++ development

Freemiumideqtc-plus-plus
QData & Analytics

Fast time-series database for high-throughput data

Freemiumtime-seriesdatabaseopen-source
RDeveloper Tools

Widely used open source message broker for applications

Freemessagingqueuesamqpbroker
RDeveloper Tools

Offers a peer-to-peer.

Freeopen-sourceapisaascloud
RDeveloper Tools

Deploy apps, databases and services to the cloud in minutes

Freemiumdeploymentcloud-hostingpaasinfrastructure
RDeveloper Tools

Build, deploy and monitor in one workflow

Freemiumdev-toolsdeveloper-toolscloudautomation
RDeveloper Tools

Complete platform for managing Kubernetes clusters

Freekubernetescontainersmanagementclusters
RDeveloper Tools

Kubernetes and containers on the desktop

Freekubernetescontainersdesktop
RDeveloper Tools

API hub and marketplace for discovering APIs

Freemiumapi-marketplacehubmanagement
RDeveloper Tools

Web component for viewing OpenAPI documents interactively

Freeopenapidocumentationcomponentapi
RData & Analytics

NoSQL document database with ACID transactions

Freemiumnosqldocumentsdatabaseacid
RDeveloper Tools

Supercharged productivity launcher

Freemiumproductivitylaunchermacextensions
RDeveloper Tools

Application errors, crashes and real user performance in one dashboard

Paiderror-trackingperformancemonitoring
RDeveloper Tools

A simple library for videogame programming

Freegame-librarycprogramming
RDeveloper Tools

Payment gateway and banking for Indian businesses

Paidpaymentsindiagatewaybanking
RDeveloper Tools

Interactive API documentation and developer hubs

Freemiumapi-docsdocumentationdeveloper-portal
RData & Analytics

Mobile database for local storage in apps

Freemiummobiledatabaseembeddedoffline
RDeveloper Tools

Web reconnaissance framework with modular design

Freeosintreconframeworkcli
RData & Analytics

Open-source query and dashboard platform

Freedashboardssqlopen-source
RDeveloper Tools

Real-time in-memory data platform and cache

Freemiumcachedatabasein-memoryreal-time
RDeveloper Tools

API documentation and governance tooling

Freemiumapi-documentationopenapilintingdeveloper-portal
RDeveloper Tools

React framework for internal tools and admin panels

Freereactadminframeworkinternal-tools
RDeveloper Tools

The engine behind thousands of visual novels

Freevisual-novelengineopen-source
RDeveloper Tools

Unified cloud for hosting web services, APIs, databases and static sites

Freemiumcloud-hostingdeploymentpaasweb-services
RDeveloper Tools

Automated dependency updates across repositories

Freedependenciesupdatesautomationrepositories
RDeveloper Tools

API platform for running open-source AI models

Paidmodel-apiinferenceopen-source
RDeveloper Tools

Build software collaboratively

Freemiumidehostingcollaborationai
RDeveloper Tools

AI-powered test automation dashboard and reporting

Freemiumtest-reportsdashboardanalyticsautomation
RDeveloper Tools

Free online HTTP client and API testing tools

Freehttp-clientonline-toolsapi-testingfree
RDeveloper Tools

Email API built for developers with React components

Freemiumemail apidevelopersreacttransactional
RDeveloper Tools

Java library for testing and validating REST services

Freetestingjavarestapi
RDeveloper Tools

Scanner for vulnerable JavaScript libraries

Freejavascriptscannervulnerabilitieslibraries
RDeveloper Tools

Build internal tools fast with drag-and-drop UI on your own data.

Freemiuminternal-toolslow-codedashboards
RUtilities & Security

One frontend for dozens of emulators

Freeemulatorfrontendretro
RDeveloper Tools

In-app subscription platform for mobile apps

Freemiumsubscriptionsmobile appsiapdevelopers
RDeveloper Tools

Code review and document review for teams

Freemiumcode-reviewcollaborationreviewteams
RDeveloper Tools

Stream processing for monitoring events

Freeeventsmonitoringstreamingalerts
RData & Analytics

Streaming database for realtime analytics

Freemiumstreaming-databasesqlopen-source
RData & Analytics

Free lightweight GUI for MongoDB enthusiasts

Freemongodbguishelldatabase
RDeveloper Tools

Generic open source automation framework for acceptance testing

Freeacceptance-testingautomationrpapython
RData & Analytics

Embeddable persistent key-value store for fast storage

Freekey-valuestorage-engineembeddeddatabase
RDeveloper Tools

Error monitoring and debugging platform

Freemiumerror-trackingdebuggingmonitoring
RDeveloper Tools

Ship and run software with less friction

Paidmonitoringdeploymentapiinfrastructure
RDeveloper Tools

Make your own RPG without programming

Paidgame-enginerpg2d
RData & Analytics

The standard IDE for R programming

Freemiumiderstatistics
RDeveloper Tools

Rocket-fast system logging daemon

Freelogssyslogdaemonlinux
RDeveloper Tools

Runbook automation and job scheduling platform

Freemiumautomationrunbooksjobsoperations
RDeveloper Tools

GPU cloud for AI training and inference

Paidgpu-cloudinferencetraining
RData & Analytics

Local JavaScript database for offline-first applications

Freemiumdatabasejavascriptofflinereplication
SDeveloper Tools

Event-driven infrastructure automation and configuration management

Freeautomationconfigurationinfrastructureremote-execution
SDeveloper Tools

Composable content platform for structured content

Freemiumheadless-cmsstructured-contentapi
SDeveloper Tools

Continuous testing cloud for web and mobile apps

Paidcontinuous-testingdevice-cloudqa
SDeveloper Tools

Beautiful API documentation and client tools from OpenAPI specifications

Freemiumapi-docsopenapitools
SDeveloper Tools

Property-based testing for OpenAPI and GraphQL APIs

Freemiumtestingopenapigraphqlproperty-based
SDeveloper Tools

Repository manager for Git, Mercurial and Subversion

Freegitrepositorymanagerself-hosted
SData & Analytics

Proxy API for web scraping without blocks

Paidweb-scrapingapiproxiesanti-bot
SData & Analytics

Web scraping API with proxies and JS rendering

Freemiumweb-scrapingapiproxiesjavascript-rendering
SDeveloper Tools

Build platform designed for continuous delivery at scale

Freecdpipelinesbuildscontainers
SData & Analytics

High-performance NoSQL database compatible with Cassandra

Freemiumdatabasenosqlperformance
SDeveloper Tools

Distributed file system for billions of small files

Freestoragedistributeds3files
SLearning & Education

Interactive book that teaches SQL by investigation

Freesqlinteractive-bookfree
SDeveloper Tools

Browser automation for web application testing

Freebrowser-automationtestingopen-source
SDeveloper Tools

Build, deploy and monitor in one workflow

Freemiumautomationmonitoringdeploymentapi
SDeveloper Tools

Web UI for Ansible, Terraform and other DevOps tools

Freeansibleautomationuidevops
SDeveloper Tools

Lightweight static analysis for finding bugs and vulnerabilities

Freemiumstatic-analysissecuritysastopen-source
SDeveloper Tools

Chat, voice and video APIs for apps

Paidchat apivoicevideoengagement
SDeveloper Tools

Email delivery and marketing platform by Twilio

Freemiumemail apimarketingtransactionaldeliverability
SDeveloper Tools

Monitoring as code for servers, containers and services

Freemiummonitoringeventsmetricspipelines
SDeveloper Tools

Error tracking for apps

Freemiummonitoringerrorsdebuggingobservability
SData & Analytics

MySQL and MariaDB database management for macOS

Freemysqlmacosdatabaseclient
SData & Analytics

Promise-based Node.js ORM for SQL databases

Freeormnodejssql
SDeveloper Tools

Living documentation and acceptance testing library

Freebddacceptance-testingdocumentationjava
SDeveloper Tools

Provides Kinsta's platform for deploying applications.

Paiddeveloper-toolscloudapisaas
SDeveloper Tools

Copy-paste React components

Freecomponentsreactuifrontend
SDeveloper Tools

Lets mobile app users report bugs by shaking their phone.

Freemiumapideveloper-toolssaascloud
SDeveloper Tools

Python monitoring framework for large environments

Freemonitoringnagiospythonscaling
SDeveloper Tools

Shipping API for labels, rates and tracking

Paidshipping apideveloperslabelstracking
SDeveloper Tools

Shipping API and multi-carrier platform for businesses

Freemiumshipping apilabelscarriersecommerce
SDeveloper Tools

Provides programmable communications APIs built by the creators of FreeSWITCH for.

Freemiumapisaasdeveloper-toolscloud
SDeveloper Tools

Provides cloud communications APIs for messaging.

Paiddeveloper-toolscloudapisaas
SData & Analytics

Embedded analytics for products and workflows

Paidembedded-analyticsbiapi
SDeveloper Tools

Command-line tool for continuous development on Kubernetes

Freekubernetesdevelopmentclideployment
SData & Analytics

Cloud data integration, backup and query platform

Freemiumdata integrationetlbackupapi
SDeveloper Tools

Terminal API client configured entirely in YAML

Freeapi-clienttuiyamlterminal
SAI Image & Video

Friendly front-end for MPlayer and mpv

Freevideo-playerfrontendsubtitles
SDeveloper Tools

Developer infrastructure, handled

Paiddev-toolsdeveloper-toolscloudautomation
SDeveloper Tools

Network intrusion detection and prevention system

Freeidsnetworksecuritydetection
SUtilities & Security

Breach data search for security professionals

Paidbreach-searchsecuritydatabase
SDeveloper Tools

Developer security platform for code and dependencies

Freemiumsecurityvulnerability-scanningdevsecopsdependencies
SDeveloper Tools

Social engineering toolkit for penetration tests

Freesocial-engineeringpentestingphishingframework
SDeveloper Tools

Provides a free JavaScript library for realtime.

Freedeveloper-toolsapisaascloud
SDeveloper Tools

Email delivery platform and SMTP relay service

Paidemail deliverysmtpanalyticsenterprise
SDeveloper Tools

No-code builder for client portals and internal tools on your data

Freemiumno-codeclient-portalinternal-toolsairtable
SDeveloper Tools

A free engine for mobile games in Lua

Freegame-engineluamobile
SDeveloper Tools

Code quality and security inspection platform

Freemiumcode-qualitystatic-analysissecuritycode-review
SDeveloper Tools

Hacker forge with Git, Mercurial, CI and mailing lists

Freemiumgitforgecimailing-lists
SDeveloper Tools

Free Git GUI for Windows and Mac

Freegitguiatlassian
SDeveloper Tools

Email delivery and analytics platform

Paidemail deliveryanalyticsapienterprise
SDeveloper Tools

API tooling for SDKs, Terraform and docs

Freemiumsdksapitooling
SDeveloper Tools

OSINT automation for threat intelligence and recon

Freemiumosintreconintelligenceautomation
SDeveloper Tools

Multi-cloud continuous delivery platform for releasing software with confidence

Freecdmulti-cloudopen-source
SDeveloper Tools

Feature flag and experimentation platform, now Harness

Paidfeature flagsexperimentationdevelopersdelivery
SDeveloper Tools

Turn machine data into answers

Paidlow-codesoftware-developmentdeveloper-toolsapi
SDeveloper Tools

Consumer-driven contract testing for JVM applications

Freecontract-testingspringjvmapi
SLearning & Education

Learn SQL with interactive lessons in the browser

Freesqlinteractivebeginner
SData & Analytics

Self-contained embeddable SQL database engine

Freedatabasesqlembeddedlightweight
SDeveloper Tools

Automatic SQL injection detection and exploitation

Freesql-injectionpentestingdatabasesecurity
SLearning & Education

Interactive SQL tutorials and exercises

Freesqlpracticefree
SData & Analytics

Graphical Java program to view any JDBC database structure

Freesqljdbcdatabasegui
SDeveloper Tools

Code in the browser instantly

Freemiumidebrowsercollaboration
SDeveloper Tools

API and application security testing for developers

Freemiumapi-securitydasttestingdevsecops
SDeveloper Tools

SDK generator for REST APIs

Paidsdksapigeneration
SData & Analytics

High-performance analytical database for real-time analytics

Freeanalyticsdatabasereal-timeolap
SDeveloper Tools

Cross-shell prompt written in Rust

Freepromptshellrust
SDeveloper Tools

A Laravel CMS that can run flat-file

Freemiumcmslaravelflat-file
SDeveloper Tools

Product growth platform for flags, experiments and analytics

Freemiumexperimentationfeature-flagsanalytics
SDeveloper Tools

Uptime, page speed and domains with alerts from global test locations

Freemiumuptimepage-speedmonitoring
SDeveloper Tools

Build games with snap-together blocks

Freemiumgame-engine2dblocks
SDeveloper Tools

Open source API testing and monitoring from YAML

Freeapi-testingyamlmonitoringci
SDeveloper Tools

API design and documentation platform

Freemiumapi-designopenapidocumentation
SDeveloper Tools

Headless CMS with a visual editor

Freemiumheadless-cmsvisual-editorapi
SDeveloper Tools

Frontend workshop for building UI components in isolation

Freeui-componentsfrontenddocumentation
SDeveloper Tools

Open-source headless CMS for APIs and content

Freemiumheadless-cmscontent-apiopen-source
SDeveloper Tools

Chat, feeds and video APIs for applications

Paidchat apiactivity feedsvideodevelopers
SDeveloper Tools

Extensible continuous integration server in Node.js

Freecideploymentnodejspipelines
SDeveloper Tools

Mutation testing for JavaScript, C# and Scala

Freemutation-testingtestingqualityjavascript
SDeveloper Tools

Passwordless authentication platform for developers

Freemiumpasswordlessauthenticationapi
SDeveloper Tools

Symfony-based CMS for complex web projects

Freecmssymfonyphpagencies
SDeveloper Tools

Open-source Firebase alternative

Freemiumdatabasebackendauthpostgres
SDeveloper Tools

Developer infrastructure, handled

Paiddeveloper-toolscloudautomationmonitoring
SDeveloper Tools

Open-source authentication and session management

Freemiumauthenticationopen-sourcesessions
SDeveloper Tools

Paywall A/B testing and optimization for apps

Freemiumpaywallsa/b testingsubscriptionsmobile
SDeveloper Tools

High-performance network IDS, IPS and monitoring

Freeidsipsnetworksecurity
SData & Analytics

Multi-model database for documents, graphs and tables

Freemiumdatabasemulti-modelgraph
SDeveloper Tools

JavaScript survey and form builder libraries

Freemiumsurveysformsjavascriptlibrary
SDeveloper Tools

Offers a free framework for building web applications with Svelte.

Freesaasclouddeveloper-toolsapi
SDeveloper Tools

Tools for designing and documenting APIs with OpenAPI

Freemiumapidocumentationopenapideveloper-tools
SDeveloper Tools

Developer infrastructure, handled

Paidautomationmonitoringdeploymentapi
SDeveloper Tools

Ship and run software with less friction

Paiddeveloper-toolscloudautomationmonitoring
SDeveloper Tools

Log management with flexible routing and parsing

Freemiumlogssyslogroutingmanagement
TDeveloper Tools

A modern terminal for the modern age

Freeterminalsshmodern
TDeveloper Tools

Privacy-first AI code assistant with on-prem and zero-retention deployment

Paidcode-completionai-codingcode-assistantprivacy
TDeveloper Tools

Utility-first CSS framework

Freecssframeworkfrontendstyling
TDeveloper Tools

Immutable Linux distribution designed for Kubernetes

Freekuberneteslinuximmutableapi
TData & Analytics

In-memory database and application server in Lua

Freemiumin-memorydatabaseluaapplication-server
TDeveloper Tools

Task runner and build tool using YAML taskfiles

Freetask-runneryamlautomationbuild
TDeveloper Tools

Automated API testing in concise YAML files

Freeapi-testingyamlpythoncli
TData & Analytics

Open source time-series database for IoT and industrial data

Freemiumtime-seriesiotdatabaseindustrial
TData & Analytics

No-code database combining spreadsheet ease with Postgres power

Freemiumno-codedatabasepostgresspreadsheet
TDeveloper Tools

Vector tile server written in Go

Freemapsvector-tilesservergo
TDeveloper Tools

Cloud-native framework for CI and CD pipelines

Freecicdpipelineskubernetes
TDeveloper Tools

Local development against remote Kubernetes clusters

Freemiumkubernetesdevelopmentdebuggingmicroservices
TDeveloper Tools

API that connects bank accounts for fintech apps

Paidbanking apifintechopen bankingdevelopers
TCommunication & Collaboration

Communications platform with programmable voice, SMS and networking APIs for developers

Paidapivoicesms
TDeveloper Tools

Durable execution platform for reliable workflows

Freemiumworkflowsorchestrationreliabilitymicroservices
TDeveloper Tools

Infrastructure as code for any cloud

Freemiuminfrastructure-as-codedevopscloudautomation
TDeveloper Tools

Detect compliance and security violations in IaC

Freeiacsecuritycomplianceterraform
TDeveloper Tools

Node.js tool to automate end-to-end web testing

Freemiume2etestingnodejsautomation
TDeveloper Tools

Libraries for integration testing with real Docker containers

Freetestingcontainersintegrationlibraries
TDeveloper Tools

API testing and monitoring with offline-first design

Freemiumapi-testingmonitoringautomationoffline
TDeveloper Tools

Web-based test management system

Freetest-managementqawebtracking
TDeveloper Tools

Test management system built for automated tests

Freemiumtest-managementautomationreportingqa
TDeveloper Tools

Plain-English test automation platform

Freemiumtest-automationno-codeenglish
TDeveloper Tools

Automates web, mobile and API tests in plain English with AI

Paidtest-automationaienglish
TDeveloper Tools

A fast, minimalist, extensible editor

Freetext-editorminimallua
TCommunication & Collaboration

Business SMS platform for notifications and support

Paidsmsbusiness-textingapi
TDeveloper Tools

Security scanner for Terraform code

Freeterraformscannersecurityiac
TDeveloper Tools

Incident response platform for security teams

Freeincident-responsesecuritysoccases
TDeveloper Tools

IoT platform for connecting and managing devices

Freemiumiotdevicesdashboardsplatform
TDeveloper Tools

Create 3D graphics in the browser

Free3dwebgljavascript
TDeveloper Tools

A fantasy console for tiny retro games

Freemiumfantasy-consolegamesretro
TData & Analytics

Geospatial database with real-time geofencing

Freegeospatialdatabasegeofencingrealtime
TDeveloper Tools

Toolkit for microservice development on Kubernetes

Freekubernetesmicroservicesdevelopmentlocal
TData & Analytics

Time-series database built on PostgreSQL

Freemiumtime-seriespostgresqldatabase
TDeveloper Tools

Visual editing backed by Git

Freemiumcmsgitvisual-editing
TDeveloper Tools

Git inside Windows Explorer

Freegitwindowsshell
TDeveloper Tools

Cloud-native application networking platform and reverse proxy

Freemiumreverse-proxyload-balancercontainersrouting
TDeveloper Tools

File processing API for media pipelines

Paidfile processingencodingapimedia
TDeveloper Tools

Continuous integration service for GitHub projects

Freemiumci-cdgithubhosted-ci
TDeveloper Tools

APIs in real time with analytics, error tracking and documentation generation

Freemiumapi-monitoringanalyticsobservability
TDeveloper Tools

Network diagnostic tool combining traceroute and ping

Freenetworkdiagnosticstraceroutecli
TDeveloper Tools

All-in-one security scanner for containers and code

Freescannervulnerabilitiescontainerssecurity
TDeveloper Tools

Find leaked credentials hidden anywhere in code

Freemiumsecretscredentialsscannersecurity
TDeveloper Tools

Open source agile and DevOps project management suite

Freemiumproject-managementagiledevopsalm
TDeveloper Tools

High-performance build system for monorepos

Freemiummonorepobuild-systemci
TData & Analytics

Edge database platform based on libSQL

Freemiumdatabasesqliteedge
TDeveloper Tools

Provides APIs for messaging.

Freemiumsaasdeveloper-toolsapicloud
TDeveloper Tools

Tell interactive, branching stories

Freeinteractive-fictionwritingopen-source
TAI Agents

Embeddings database for semantic search and language models

Freeembeddingssemantic-searchllmdatabase
TDeveloper Tools

API gateway and management platform available open-source and in the cloud

Freemiumapi-gatewayopen-sourcemanagement
UUtilities & Security

Generate avatars with user initials instantly

Freeavatarsinitialsapi
UDeveloper Tools

The engine behind half the world's games

Freemiumgame-engine3dmobile
UDeveloper Tools

Open-source feature flag management for developers

Freemiumfeature-flagsopen-sourcesdk
UDeveloper Tools

High-end 3D engine for games and film

Freemiumgame-engine3daaa
UDeveloper Tools

Build, deploy and monitor in one workflow

Freemiummonitoringdeploymentapiinfrastructure
UDeveloper Tools

File uploading and image CDN

Freemiumuploadsfilesimage processingcdn
UDeveloper Tools

GitHub-powered open source status page and uptime monitor

Freeuptimestatus-pagegithubmonitoring
UDeveloper Tools

Websites, servers and keywords every minute and alerts on downtime

Freemiumuptimemonitoringalerts
UDeveloper Tools

Collects visual feedback.

Paidclouddeveloper-toolssaasapi
UDeveloper Tools

Utility data behind one API

Paidenergyapidatautilities
VDeveloper Tools

Portable development environment manager

Freevirtualisationenvironmentsdevelopmentautomation
VDeveloper Tools

Open source routing engine with traffic awareness

Freeroutingnavigationmapsengine
VData & Analytics

Open source in-memory data store forked from Redis

Freecachekey-valuein-memorydatabase
VDeveloper Tools

Backup and disaster recovery for Kubernetes resources

Freekubernetesbackupdisaster-recoverymigration
VDeveloper Tools

Deploy web apps instantly

Freemiumhostingdeploymentfrontendserverless
VDeveloper Tools

Distributed MQTT broker for IoT platforms

Freemqttbrokeriotdistributed
VDeveloper Tools

Run other operating systems in a window

Freevirtualizationvmtesting
VDeveloper Tools

Fast frontend build tool and dev server

Freebuild-toolfrontendopen-source
VDeveloper Tools

Provides a free static site generator powered by Vite and Vue.

Freeapideveloper-toolscloudsaas
VDeveloper Tools

Fast unit test framework powered by Vite

Freeunit-testingjavascriptvite
VLearning & Education

Global legal research database

Paidlegal researchcase lawglobaldatabase
VDeveloper Tools

Professional desktop virtualisation, now free

Freevirtualizationvmprofessional
VDeveloper Tools

JavaScript tool manager in Rust

Freejavascriptversion-managernode
VDeveloper Tools

VS Code binaries without Microsoft telemetry

Freecode-editoropen-sourcetelemetry-free
VDeveloper Tools

Vue-powered static site generator

Freedocumentationvuestatic-site
VDeveloper Tools

Agentless vulnerability scanner for Linux servers

Freevulnerabilitiesscannerlinuxcve
VDeveloper Tools

Ship and run software with less friction

Paidcloudautomationmonitoringdeployment
WMarketing & SEO

Waitlist and launch pages with referral mechanics

Freemiumwaitlistslaunchesreferralsapi
WDeveloper Tools

Modern terminal with AI

Freemiumterminalaideveloper
WDeveloper Tools

Universal watcher that runs commands when files change

Freefile-watchingcliautomationdevelopment
WDeveloper Tools

Open-source terminal with AI and blocks interface

Freeterminalopen-sourceai
WDeveloper Tools

Simplify application builds, deploys and releases

Freedeployworkflowapplicationshashicorp
WDeveloper Tools

Security monitoring platform for endpoints and cloud

Freesecuritymonitoringintrusioncompliance
WDeveloper Tools

Next-generation browser and mobile test automation

Freetestingautomationopen-source
WDeveloper Tools

A serverless headless CMS platform

Freemiumheadless-cmsserverlessenterprise
WDeveloper Tools

Module bundler for JavaScript applications

Freebundlerjavascriptopen-source
WDeveloper Tools

GPU-accelerated terminal emulator and multiplexer

Freeterminalmultiplexerrust
WDeveloper Tools

Web scanner that identifies website technologies

Freescannerwebtechnologiesfingerprinting
WDeveloper Tools

Domain, WHOIS and DNS data APIs

Paidwhoisdomain dataapisecurity
WDeveloper Tools

Open-source developer platform for scripts and workflows

Freemiumworkflowsinternal-toolsopen-sourcescripts
WDeveloper Tools

Agentic AI code editor, now Devin Desktop, for flow-state development

Freemiumai-code-editorcode-assistantagentic-codingide
WDeveloper Tools

Compare and merge files and folders visually

Freediffmergewindows
WDeveloper Tools

Free SFTP and FTP client for Windows

Freeftpsftpwindows
WDeveloper Tools

Open-source API mock server for testing

Freeapi-mockingtestingopen-sourcestubbing
WDeveloper Tools

The standard network protocol analyser

Freenetworkpacketanalysis
WDeveloper Tools

Simple yet powerful CI/CD engine with pipelines defined as code and

Freeci-cdautomationopen-source
WDeveloper Tools

Enterprise identity features for B2B applications

Freemiumssoenterpriseidentity
WDeveloper Tools

WordPress security scanner for vulnerabilities

Freemiumwordpressscannersecurityvulnerabilities
WDeveloper Tools

A text, hex and encoding editor

Freehex-editortextcross-platform
XDeveloper Tools

Search engine library behind many search tools

Freesearchlibraryindexingdevelopers
XDeveloper Tools

Combines a Postgres-based database with search and analytics in a serverless.

Freemiumsaasdeveloper-toolsapicloud
XDeveloper Tools

Apple's IDE for iOS and macOS development

Freeideappleswift
XDeveloper Tools

Turnkey virtualization platform based on Xen

Freevirtualizationxenserversplatform
XDeveloper Tools

Web management for XCP-ng and XenServer

Freemiumvirtualizationmanagementbackupweb
XDeveloper Tools

System monitoring for servers and networks

Freemonitoringserversnetworkstatus
YDeveloper Tools

Desktop API client for REST, GraphQL and gRPC

Freemiumapi-clientgraphqlgrpcdesktop
YDeveloper Tools

A friendly dialogue tool for games

Freedialoguegamesunity
YData & Analytics

Distributed PostgreSQL-compatible database

Freemiumdatabasedistributed-sqlopen-source
ZUtilities & Security

Long-running online conversion service for documents, media and ebooks

Freemiumfile-conversionapidocumentsmedia
ZDeveloper Tools

Lets developers deploy services.

Freemiumapideveloper-toolssaascloud
ZDeveloper Tools

A high-performance multiplayer code editor

Freemiumcode-editorcollaborationrust
ZDeveloper Tools

Network analysis framework for security monitoring

Freenetworkanalysissecuritylogs
ZDeveloper Tools

Terminal workspace with batteries included

Freeterminalmultiplexerworkspace
ZDeveloper Tools

Infrastructure monitoring and analytics platform

Freemiummonitoringinfrastructureanalyticsenterprise
ZData & Analytics

Web scraping API and browser for bypassing blocks

Freemiumweb-scrapingapianti-botbrowser
ZMarketing & SEO

Email validation with deliverability tools

Freemiumemail-verificationdeliverabilityvalidationapi
ZDeveloper Tools

Distributed tracing system for microservices

Freetracingmicroserviceslatencydebugging
ZDeveloper Tools

Open-source identity infrastructure with organizations

Freemiumidentityopen-sourcemulti-tenancy
ZDeveloper Tools

TypeScript-first validation

Freevalidationtypescriptschemas
ZDeveloper Tools

Fast static site generator in a single binary

Freestatic-sitegeneratorrustfast
ZDeveloper Tools

API gateway and management platform built on the edge for developers

Freemiumapi-gatewayedgemanagement
ZDeveloper Tools

Project gating and CI system for multi-repo changes

Freecigatingtestingopenstack

More tasks

Browse all use cases →